LPS22HH single file class Library for I2C
LPS22HH
#include "LPS22HH.h" LPS22HH BAROMETER(I2C_SDA,I2C_SCL); void main() { BAROMETER.begin(); BAROMETER.Enable(); while(1) { printf("%f hPa \r\n,BAROMETER.GetPressure()); } }
Diff: LPS22HH.cpp
- Revision:
- 0:b74c7741e608
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LPS22HH.cpp Wed Apr 14 16:15:25 2021 +0000 @@ -0,0 +1,1405 @@ +#include "LPS22HH.h" + +int32_t lps22hh_write_reg(lps22hh_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len); +int32_t lps22hh_read_reg(lps22hh_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len); + +int32_t lps22hh_data_rate_set(lps22hh_ctx_t *ctx, lps22hh_odr_t val); +int32_t lps22hh_data_rate_get(lps22hh_ctx_t *ctx, lps22hh_odr_t *val); + +int32_t lps22hh_lp_bandwidth_set(lps22hh_ctx_t *ctx, lps22hh_lpfp_cfg_t val); +int32_t lps22hh_lp_bandwidth_get(lps22hh_ctx_t *ctx, lps22hh_lpfp_cfg_t *val); + +int32_t lps22hh_block_data_update_set(lps22hh_ctx_t *ctx, uint8_t val); +int32_t lps22hh_auto_increment_set(lps22hh_ctx_t *ctx, uint8_t val); + +int32_t lps22hh_pressure_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff); +int32_t lps22hh_temperature_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff); + +int32_t lps22hh_press_flag_data_ready_get(lps22hh_ctx_t *ctx, uint8_t *val); +int32_t lps22hh_temp_flag_data_ready_get(lps22hh_ctx_t *ctx, uint8_t *val); + +int32_t lps22hh_fifo_pressure_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff); +int32_t lps22hh_fifo_temperature_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff); +int32_t lps22hh_fifo_wtm_flag_get(lps22hh_ctx_t *ctx, uint8_t *val); +int32_t lps22hh_fifo_ovr_flag_get(lps22hh_ctx_t *ctx, uint8_t *val); +int32_t lps22hh_fifo_full_flag_get(lps22hh_ctx_t *ctx, uint8_t *val); +int32_t lps22hh_fifo_src_get(lps22hh_ctx_t *ctx, lps22hh_fifo_status2_t *val); +int32_t lps22hh_fifo_data_level_get(lps22hh_ctx_t *ctx, uint8_t *buff); +int32_t lps22hh_fifo_threshold_on_int_set(lps22hh_ctx_t *ctx, uint8_t val); +int32_t lps22hh_fifo_full_on_int_set(lps22hh_ctx_t *ctx, uint8_t val); +int32_t lps22hh_fifo_ovr_on_int_set(lps22hh_ctx_t *ctx, uint8_t val); +int32_t lps22hh_fifo_stop_on_wtm_set(lps22hh_ctx_t *ctx, uint8_t val); +int32_t lps22hh_fifo_mode_get(lps22hh_ctx_t *ctx, lps22hh_f_mode_t *val); +int32_t lps22hh_fifo_mode_set(lps22hh_ctx_t *ctx, lps22hh_f_mode_t val); +int32_t lps22hh_fifo_watermark_set(lps22hh_ctx_t *ctx, uint8_t val); + +/* Class Implementation ------------------------------------------------------*/ + +/** Constructor + * @param i2c object of an helper class which handles the I2C peripheral + * @param address the address of the component's instance + */ +LPS22HH::LPS22HH(PinName sda, PinName scl) : _i2c(sda, scl) +{ + address=LPS22HH_I2C_ADD_H; + reg_ctx.write_reg = LPS22HH_io_write; + reg_ctx.read_reg = LPS22HH_io_read; + reg_ctx.handle = (void *)this; + enabled = 0; +} + +/** Constructor + * @param spi object of an helper class which handles the SPI peripheral + * @param cs_pin the chip select pin + * @param spi_speed the SPI speed + +LPS22HH::LPS22HH(SPIClass *spi, int cs_pin, uint32_t spi_speed) : dev_spi(spi), cs_pin(cs_pin), spi_speed(spi_speed) +{ + reg_ctx.write_reg = LPS22HH_io_write; + reg_ctx.read_reg = LPS22HH_io_read; + reg_ctx.handle = (void *)this; + dev_i2c = NULL; + address = 0; + enabled = 0; +} +*/ + +/** + * @brief Configure the sensor in order to be used + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::begin() +{ + + /* Power down the device, set Low Noise Enable (bit 5), clear One Shot (bit 4) */ + if (lps22hh_data_rate_set(®_ctx, (lps22hh_odr_t)(LPS22HH_POWER_DOWN | 0x10)) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + /* Disable low-pass filter on LPS22HH pressure data */ + if (lps22hh_lp_bandwidth_set(®_ctx, LPS22HH_LPF_ODR_DIV_2) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + /* Set block data update mode */ + if (lps22hh_block_data_update_set(®_ctx, PROPERTY_ENABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + /* Set autoincrement for multi-byte read/write */ + if (lps22hh_auto_increment_set(®_ctx, PROPERTY_ENABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + last_odr = LPS22HH_25_Hz; + enabled = 0; + + return LPS22HH_OK; +} + +/** + * @brief Disable the sensor and relative resources + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::end() +{ + /* Disable pressure and temperature sensor */ + if (Disable() != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + + return LPS22HH_OK; +} + +/** + * @brief Get WHO_AM_I value + * @param Id the WHO_AM_I value + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::ReadID(uint8_t *Id) +{ + + //lps22hh_device_id_get(lps22hh_ctx_t *ctx, uint8_t *buff) + int32_t ret; + ret = lps22hh_read_reg(®_ctx, LPS22HH_WHO_AM_I, Id, 1); + + + if (ret != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Enable the LPS22HH pressure sensor + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Enable() +{ + /* Check if the component is already enabled */ + if (enabled == 1U) + { + return LPS22HH_OK; + } + + /* Output data rate selection. */ + if (lps22hh_data_rate_set(®_ctx, last_odr) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + enabled = 1; + + return LPS22HH_OK; +} + +/** + * @brief Disable the LPS22HH pressure sensor + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Disable() +{ + /* Check if the component is already disabled */ + if (enabled == 0U) + { + return LPS22HH_OK; + } + + lps22hh_ctrl_reg1_t ctrl_reg1; + lps22hh_ctrl_reg2_t ctrl_reg2; + int32_t ret; + + //lps22hh_data_rate_get(®_ctx, &last_odr) + + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); + if (ret == 0) { + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + } + if (ret == 0) { + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + switch (((ctrl_reg2.low_noise_en << 4) + (ctrl_reg2.one_shot << 3) + + ctrl_reg1.odr )) { + case LPS22HH_POWER_DOWN: + last_odr = LPS22HH_POWER_DOWN; + break; + case LPS22HH_ONE_SHOOT: + last_odr = LPS22HH_ONE_SHOOT; + break; + case LPS22HH_1_Hz: + last_odr = LPS22HH_1_Hz; + break; + case LPS22HH_10_Hz: + last_odr = LPS22HH_10_Hz; + break; + case LPS22HH_25_Hz: + last_odr = LPS22HH_25_Hz; + break; + case LPS22HH_50_Hz: + last_odr = LPS22HH_50_Hz; + break; + case LPS22HH_75_Hz: + last_odr = LPS22HH_75_Hz; + break; + case LPS22HH_1_Hz_LOW_NOISE: + last_odr = LPS22HH_1_Hz_LOW_NOISE; + break; + case LPS22HH_10_Hz_LOW_NOISE: + last_odr = LPS22HH_10_Hz_LOW_NOISE; + break; + case LPS22HH_25_Hz_LOW_NOISE: + last_odr = LPS22HH_25_Hz_LOW_NOISE; + break; + case LPS22HH_50_Hz_LOW_NOISE: + last_odr = LPS22HH_50_Hz_LOW_NOISE; + break; + case LPS22HH_75_Hz_LOW_NOISE: + last_odr = LPS22HH_75_Hz_LOW_NOISE; + break; + case LPS22HH_100_Hz: + last_odr = LPS22HH_100_Hz; + break; + case LPS22HH_200_Hz: + last_odr = LPS22HH_200_Hz; + break; + default: + last_odr = LPS22HH_POWER_DOWN; + break; + } + } + + + /* Get current output data rate. */ + if (ret != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + /* Output data rate selection - power down. */ + if (lps22hh_data_rate_set(®_ctx, LPS22HH_POWER_DOWN) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + + enabled = 0; + + return LPS22HH_OK; +} + + +/** + * @brief Get output data rate + * @param Odr the output data rate value + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::GetOutputDataRate(float *Odr) +{ + LPS22HHStatusTypeDef result = LPS22HH_OK; + lps22hh_odr_t odr_low_level; + +lps22hh_ctrl_reg1_t ctrl_reg1; + lps22hh_ctrl_reg2_t ctrl_reg2; + int32_t ret; + + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); + if (ret == 0) { + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + } + if (ret == 0) { + ret = lps22hh_read_reg(®_ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + switch (((ctrl_reg2.low_noise_en << 4) + (ctrl_reg2.one_shot << 3) + + ctrl_reg1.odr )) { + case LPS22HH_POWER_DOWN: + odr_low_level = LPS22HH_POWER_DOWN; + break; + case LPS22HH_ONE_SHOOT: + odr_low_level = LPS22HH_ONE_SHOOT; + break; + case LPS22HH_1_Hz: + odr_low_level = LPS22HH_1_Hz; + break; + case LPS22HH_10_Hz: + odr_low_level = LPS22HH_10_Hz; + break; + case LPS22HH_25_Hz: + odr_low_level = LPS22HH_25_Hz; + break; + case LPS22HH_50_Hz: + odr_low_level = LPS22HH_50_Hz; + break; + case LPS22HH_75_Hz: + odr_low_level = LPS22HH_75_Hz; + break; + case LPS22HH_1_Hz_LOW_NOISE: + odr_low_level = LPS22HH_1_Hz_LOW_NOISE; + break; + case LPS22HH_10_Hz_LOW_NOISE: + odr_low_level = LPS22HH_10_Hz_LOW_NOISE; + break; + case LPS22HH_25_Hz_LOW_NOISE: + odr_low_level = LPS22HH_25_Hz_LOW_NOISE; + break; + case LPS22HH_50_Hz_LOW_NOISE: + odr_low_level = LPS22HH_50_Hz_LOW_NOISE; + break; + case LPS22HH_75_Hz_LOW_NOISE: + odr_low_level = LPS22HH_75_Hz_LOW_NOISE; + break; + case LPS22HH_100_Hz: + odr_low_level = LPS22HH_100_Hz; + break; + case LPS22HH_200_Hz: + odr_low_level = LPS22HH_200_Hz; + break; + default: + odr_low_level = LPS22HH_POWER_DOWN; + break; + } + } + + if (ret != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + switch (odr_low_level) + { + case LPS22HH_POWER_DOWN: + *Odr = 0.0f; + break; + + case LPS22HH_1_Hz: + *Odr = 1.0f; + break; + + case LPS22HH_10_Hz: + *Odr = 10.0f; + break; + + case LPS22HH_25_Hz: + *Odr = 25.0f; + break; + + case LPS22HH_50_Hz: + *Odr = 50.0f; + break; + + case LPS22HH_75_Hz: + *Odr = 75.0f; + break; + + case LPS22HH_100_Hz: + *Odr = 100.0f; + break; + + case LPS22HH_200_Hz: + *Odr = 200.0f; + break; + + default: + result = LPS22HH_ERROR; + break; + } + + return result; +} + +/** + * @brief Set the LPS22HH pressure sensor output data rate + * @param Odr the output data rate value to be set + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::SetOutputDataRate(float Odr) +{ + /* Check if the component is enabled */ + if (enabled == 1U) + { + return SetOutputDataRate_When_Enabled(Odr); + } + else + { + return SetOutputDataRate_When_Disabled(Odr); + } +} + + +/** + * @brief Set output data rate + * @param Odr the output data rate value to be set + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::SetOutputDataRate_When_Enabled(float Odr) +{ + lps22hh_odr_t new_odr; + + new_odr = (Odr <= 1.0f) ? LPS22HH_1_Hz + : (Odr <= 10.0f) ? LPS22HH_10_Hz + : (Odr <= 25.0f) ? LPS22HH_25_Hz + : (Odr <= 50.0f) ? LPS22HH_50_Hz + : (Odr <= 75.0f) ? LPS22HH_75_Hz + : (Odr <= 100.0f) ? LPS22HH_100_Hz + : LPS22HH_200_Hz; + + if (lps22hh_data_rate_set(®_ctx, new_odr) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + if (lps22hh_data_rate_get(®_ctx, &last_odr) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set output data rate when disabled + * @param Odr the output data rate value to be set + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::SetOutputDataRate_When_Disabled(float Odr) +{ + last_odr = (Odr <= 1.0f) ? LPS22HH_1_Hz + : (Odr <= 10.0f) ? LPS22HH_10_Hz + : (Odr <= 25.0f) ? LPS22HH_25_Hz + : (Odr <= 50.0f) ? LPS22HH_50_Hz + : (Odr <= 75.0f) ? LPS22HH_75_Hz + : (Odr <= 100.0f) ? LPS22HH_100_Hz + : LPS22HH_200_Hz; + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH pressure value + * @param Value pointer where the pressure value is written + * @retval 0 in case of success, an error code otherwise + */ +////LPS22HHStatusTypeDef LPS22HH::GetPressure(float *Value) +float LPS22HH::GetPressure() +{ + axis1bit32_t data_raw_pressure; + + (void)memset(data_raw_pressure.u8bit, 0x00, sizeof(int32_t)); + if (lps22hh_pressure_raw_get(®_ctx, data_raw_pressure.u8bit) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + ////*Value = LPS22HH_FROM_LSB_TO_hPa((float)(data_raw_pressure.i32bit)); + return LPS22HH_FROM_LSB_TO_hPa((float)(data_raw_pressure.i32bit)); + + ////return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH pressure data ready bit value + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_PRESS_DRDY_Status(uint8_t *Status) +{ + if (lps22hh_press_flag_data_ready_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH temperature value + * @param Value pointer where the temperature value is written + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::GetTemperature(float *Value) +{ + axis1bit16_t data_raw_temperature; + + (void)memset(data_raw_temperature.u8bit, 0x00, sizeof(int16_t)); + if (lps22hh_temperature_raw_get(®_ctx, data_raw_temperature.u8bit) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + *Value = LPS22HH_FROM_LSB_TO_degC((float)(data_raw_temperature.i16bit)); + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH temperature data ready bit value + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_TEMP_DRDY_Status(uint8_t *Status) +{ + if (lps22hh_temp_flag_data_ready_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH register value + * @param Reg address to be written + * @param Data value to be written + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Read_Reg(uint8_t Reg, uint8_t *Data) +{ + if (lps22hh_read_reg(®_ctx, Reg, Data, 1) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the LPS22HH register value + * @param pObj the device pObj + * @param Reg address to be written + * @param Data value to be written + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Write_Reg(uint8_t Reg, uint8_t Data) +{ + if (lps22hh_write_reg(®_ctx, Reg, &Data, 1) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH FIFO data level + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_FIFO_Data(float *Press, float *Temp) +{ + axis1bit32_t data_raw_pressure; + axis1bit16_t data_raw_temperature; + + (void)memset(data_raw_pressure.u8bit, 0x00, sizeof(int32_t)); + if (lps22hh_fifo_pressure_raw_get(®_ctx, data_raw_pressure.u8bit) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + *Press = LPS22HH_FROM_LSB_TO_hPa((float)(data_raw_pressure.i32bit)); + + (void)memset(data_raw_temperature.u8bit, 0x00, sizeof(int16_t)); + if (lps22hh_fifo_temperature_raw_get(®_ctx, data_raw_temperature.u8bit) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + *Temp = LPS22HH_FROM_LSB_TO_degC((float)(data_raw_temperature.i16bit)); + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH FIFO threshold + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_FIFO_FTh_Status(uint8_t *Status) +{ + if (lps22hh_fifo_wtm_flag_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH FIFO full status + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_FIFO_Full_Status(uint8_t *Status) +{ + if (lps22hh_fifo_full_flag_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH FIFO OVR status + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_FIFO_Ovr_Status(uint8_t *Status) +{ + if (lps22hh_fifo_ovr_flag_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH FIFO data level + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_FIFO_Level(uint8_t *Status) +{ + if (lps22hh_fifo_data_level_get(®_ctx, Status) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Reset the FIFO interrupt + * @param interrupt The FIFO interrupt to be reset; values: 0 = FTH; 1 = FULL; 2 = OVR + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Reset_FIFO_Interrupt(uint8_t interrupt) +{ + switch (interrupt) + { + case 0: + if (lps22hh_fifo_threshold_on_int_set(®_ctx, PROPERTY_DISABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + case 1: + if (lps22hh_fifo_full_on_int_set(®_ctx, PROPERTY_DISABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + case 2: + if (lps22hh_fifo_ovr_on_int_set(®_ctx, PROPERTY_DISABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + default: + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the FIFO interrupt + * @param interrupt The FIFO interrupt to be reset; values: 0 = FTH; 1 = FULL; 2 = OVR + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Set_FIFO_Interrupt(uint8_t interrupt) +{ + switch (interrupt) + { + case 0: + if (lps22hh_fifo_threshold_on_int_set(®_ctx, PROPERTY_ENABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + case 1: + if (lps22hh_fifo_full_on_int_set(®_ctx, PROPERTY_ENABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + case 2: + if (lps22hh_fifo_ovr_on_int_set(®_ctx, PROPERTY_ENABLE) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + break; + default: + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the FIFO mode + * @param Mode the FIFO mode to be set + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Set_FIFO_Mode(uint8_t Mode) +{ + /* Verify that the passed parameter contains one of the valid values */ + switch ((lps22hh_f_mode_t)Mode) + { + case LPS22HH_BYPASS_MODE: + case LPS22HH_FIFO_MODE: + case LPS22HH_STREAM_MODE: + case LPS22HH_STREAM_TO_FIFO_MODE: + case LPS22HH_BYPASS_TO_STREAM_MODE: + case LPS22HH_BYPASS_TO_FIFO_MODE: + break; + default: + return LPS22HH_ERROR; + } + + if (lps22hh_fifo_mode_set(®_ctx, (lps22hh_f_mode_t)Mode) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the LPS22HH FIFO data level + * @param Status the status of data ready bit + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Set_FIFO_Watermark_Level(uint8_t Watermark) +{ + if (lps22hh_fifo_watermark_set(®_ctx, Watermark) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the LPS22HH stop on watermark function + * @param Stop the state of stop on watermark function + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Stop_FIFO_On_Watermark(uint8_t Stop) +{ + if (lps22hh_fifo_stop_on_wtm_set(®_ctx, Stop) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Set the LPS22HH One Shot Mode + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Set_One_Shot() +{ + /* Start One Shot Measurement */ + if(lps22hh_data_rate_set(®_ctx, LPS22HH_ONE_SHOOT) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + return LPS22HH_OK; +} + +/** + * @brief Get the LPS22HH One Shot Status + * @param Status pointer to the one shot status (1 means measurements available, 0 means measurements not available yet) + * @retval 0 in case of success, an error code otherwise + */ +LPS22HHStatusTypeDef LPS22HH::Get_One_Shot_Status(uint8_t *Status) +{ + uint8_t p_da; + uint8_t t_da; + + /* Get DataReady for pressure */ + if(lps22hh_press_flag_data_ready_get(®_ctx, &p_da) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + /* Get DataReady for temperature */ + if(lps22hh_temp_flag_data_ready_get(®_ctx, &t_da) != LPS22HH_OK) + { + return LPS22HH_ERROR; + } + + if(p_da && t_da) + { + *Status = 1; + } + else + { + *Status = 0; + } + + return LPS22HH_OK; +} + +int32_t LPS22HH_io_write(void *handle, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite) +{ + return ((LPS22HH *)handle)->IO_Write(pBuffer, WriteAddr, nBytesToWrite); +} + +int32_t LPS22HH_io_read(void *handle, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead) +{ + return ((LPS22HH *)handle)->IO_Read(pBuffer, ReadAddr, nBytesToRead); +} + +// *********************************** ***************************************** + + + +/** + * @brief Read generic device register + * + * @param ctx read / write interface definitions(ptr) + * @param reg register to read + * @param data pointer to buffer that store the data read(ptr) + * @param len number of consecutive register to read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_read_reg(lps22hh_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len) +{ + int32_t ret; + ret = ctx->read_reg(ctx->handle, reg, data, len); + return ret; +} + +/** + * @brief Write generic device register + * + * @param ctx read / write interface definitions(ptr) + * @param reg register to write + * @param data pointer to data to write in register reg(ptr) + * @param len number of consecutive register to write + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_write_reg(lps22hh_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len) +{ + int32_t ret; + ret = ctx->write_reg(ctx->handle, reg, data, len); + return ret; +} + +// ************ *************** ************** ************ ************ +// ************ *************** ************** ************ ************ +// ************ *************** ************** ************ ************ + +int32_t lps22hh_data_rate_set(lps22hh_ctx_t *ctx, lps22hh_odr_t val) +{ + lps22hh_ctrl_reg1_t ctrl_reg1; + lps22hh_ctrl_reg2_t ctrl_reg2; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); + if (ret == 0) { + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + } + if (ret == 0) { + ctrl_reg1.odr = (uint8_t)val & 0x07U; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); + } + if (ret == 0) { + ctrl_reg2.low_noise_en = ((uint8_t)val & 0x10U) >> 4; + ctrl_reg2.one_shot = ((uint8_t)val & 0x08U) >> 3; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + } + return ret; +} + +/** + * @brief Low-pass bandwidth selection.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of lpfp_cfg in reg CTRL_REG1 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_lp_bandwidth_set(lps22hh_ctx_t *ctx, lps22hh_lpfp_cfg_t val) +{ + lps22hh_ctrl_reg1_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*) ®, 1); + if (ret == 0) { + reg.lpfp_cfg = (uint8_t)val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*) ®, 1); + } + return ret; +} + +/** + * @brief Low-pass bandwidth selection.[get] + * + * @param ctx read / write interface definitions + * @param val Get the values of lpfp_cfg in reg CTRL_REG1 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_lp_bandwidth_get(lps22hh_ctx_t *ctx, lps22hh_lpfp_cfg_t *val) +{ + lps22hh_ctrl_reg1_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*) ®, 1); + switch (reg.lpfp_cfg) { + case LPS22HH_LPF_ODR_DIV_2: + *val = LPS22HH_LPF_ODR_DIV_2; + break; + case LPS22HH_LPF_ODR_DIV_9: + *val = LPS22HH_LPF_ODR_DIV_9; + break; + case LPS22HH_LPF_ODR_DIV_20: + *val = LPS22HH_LPF_ODR_DIV_20; + break; + default: + *val = LPS22HH_LPF_ODR_DIV_2; + break; + } + + return ret; +} + +/** + * @brief Block Data Update.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of bdu in reg CTRL_REG1 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_block_data_update_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_ctrl_reg1_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*) ®, 1); + if (ret == 0) { + reg.bdu = val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*) ®, 1); + } + return ret; +} + +/** + * @brief Register address automatically + * incremented during a multiple byte access + * with a serial interface.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of if_add_inc in reg CTRL_REG2 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_auto_increment_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_ctrl_reg2_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*) ®, 1); + if (ret == 0) { + reg.if_add_inc = val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*) ®, 1); + } + return ret; +} + +/** + * @brief Output data rate selection.[get] + * + * @param ctx read / write interface definitions + * @param val Get the values of odr in reg CTRL_REG1 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_data_rate_get(lps22hh_ctx_t *ctx, lps22hh_odr_t *val) +{ + lps22hh_ctrl_reg1_t ctrl_reg1; + lps22hh_ctrl_reg2_t ctrl_reg2; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); + if (ret == 0) { + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + } + if (ret == 0) { + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); + switch (((ctrl_reg2.low_noise_en << 4) + (ctrl_reg2.one_shot << 3) + + ctrl_reg1.odr )) { + case LPS22HH_POWER_DOWN: + *val = LPS22HH_POWER_DOWN; + break; + case LPS22HH_ONE_SHOOT: + *val = LPS22HH_ONE_SHOOT; + break; + case LPS22HH_1_Hz: + *val = LPS22HH_1_Hz; + break; + case LPS22HH_10_Hz: + *val = LPS22HH_10_Hz; + break; + case LPS22HH_25_Hz: + *val = LPS22HH_25_Hz; + break; + case LPS22HH_50_Hz: + *val = LPS22HH_50_Hz; + break; + case LPS22HH_75_Hz: + *val = LPS22HH_75_Hz; + break; + case LPS22HH_1_Hz_LOW_NOISE: + *val = LPS22HH_1_Hz_LOW_NOISE; + break; + case LPS22HH_10_Hz_LOW_NOISE: + *val = LPS22HH_10_Hz_LOW_NOISE; + break; + case LPS22HH_25_Hz_LOW_NOISE: + *val = LPS22HH_25_Hz_LOW_NOISE; + break; + case LPS22HH_50_Hz_LOW_NOISE: + *val = LPS22HH_50_Hz_LOW_NOISE; + break; + case LPS22HH_75_Hz_LOW_NOISE: + *val = LPS22HH_75_Hz_LOW_NOISE; + break; + case LPS22HH_100_Hz: + *val = LPS22HH_100_Hz; + break; + case LPS22HH_200_Hz: + *val = LPS22HH_200_Hz; + break; + default: + *val = LPS22HH_POWER_DOWN; + break; + } + } + return ret; +} + +/** + * @brief Pressure output value.[get] + * + * @param ctx read / write interface definitions + * @param buff buffer that stores data read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_pressure_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_PRESSURE_OUT_XL, buff, 3); + return ret; +} + +/** + * @brief Temperature output value.[get] + * + * @param ctx read / write interface definitions + * @param buff buffer that stores data read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_temperature_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_TEMP_OUT_L, buff, 2); + return ret; +} + +/** + * @brief Pressure new data available.[get] + * + * @param ctx read / write interface definitions + * @param val change the values of p_da in reg STATUS + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_press_flag_data_ready_get(lps22hh_ctx_t *ctx, uint8_t *val) +{ + lps22hh_status_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_STATUS, (uint8_t*) ®, 1); + *val = reg.p_da; + + return ret; +} + +/** + * @brief Temperature data available.[get] + * + * @param ctx read / write interface definitions + * @param val change the values of t_da in reg STATUS + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_temp_flag_data_ready_get(lps22hh_ctx_t *ctx, uint8_t *val) +{ + lps22hh_status_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_STATUS, (uint8_t*) ®, 1); + *val = reg.t_da; + + return ret; +} + +/** + * @brief Pressure output from FIFO value.[get] + * + * @param ctx read / write interface definitions + * @param buff buffer that stores data read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_pressure_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_DATA_OUT_PRESS_XL, buff, 3); + return ret; +} + +/** + * @brief Temperature output from FIFO value.[get] + * + * @param ctx read / write interface definitions + * @param buff buffer that stores data read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_temperature_raw_get(lps22hh_ctx_t *ctx, uint8_t *buff) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_DATA_OUT_TEMP_L, buff, 2); + return ret; +} + +/** + * @brief FIFO watermark status.[get] + * + * @param ctx read / write interface definitions + * @param val change the values of fifo_wtm_ia in reg FIFO_STATUS2 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_wtm_flag_get(lps22hh_ctx_t *ctx, uint8_t *val) +{ + lps22hh_fifo_status2_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_STATUS2, (uint8_t*) ®, 1); + *val = reg.fifo_wtm_ia; + + return ret; +} + +/** + * @brief Read all the FIFO status flag of the device.[get] + * + * @param ctx read / write interface definitions + * @param val registers FIFO_STATUS2 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_src_get(lps22hh_ctx_t *ctx, lps22hh_fifo_status2_t *val) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_STATUS2, (uint8_t*) val, 1); + return ret; +} + +/** + * @brief Smart FIFO full status.[get] + * + * @param ctx read / write interface definitions + * @param val change the values of fifo_full_ia in reg FIFO_STATUS2 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_full_flag_get(lps22hh_ctx_t *ctx, uint8_t *val) +{ + lps22hh_fifo_status2_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_STATUS2, (uint8_t*) ®, 1); + *val = reg.fifo_full_ia; + + return ret; +} + +/** + * @brief FIFO overrun status.[get] + * + * @param ctx read / write interface definitions + * @param val change the values of fifo_ovr_ia in reg FIFO_STATUS2 + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_ovr_flag_get(lps22hh_ctx_t *ctx, uint8_t *val) +{ + lps22hh_fifo_status2_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_STATUS2, (uint8_t*) ®, 1); + *val = reg.fifo_ovr_ia; + + return ret; +} + +/** + * @brief FIFO stored data level.[get] + * + * @param ctx read / write interface definitions + * @param buff buffer that stores data read + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_data_level_get(lps22hh_ctx_t *ctx, uint8_t *buff) +{ + int32_t ret; + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_STATUS1, buff, 1); + return ret; +} + +/** + * @brief FIFO watermark status on INT_DRDY pin.[set] + * + * @param lps22hh_ctx_t *ctx: read / write interface definitions + * @param uint8_t val: change the values of f_fth in reg CTRL_REG3 + * + */ +int32_t lps22hh_fifo_threshold_on_int_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_reg_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + reg.ctrl_reg3.int_f_wtm = val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + + return ret; +} + +/** + * @brief FIFO full flag on INT_DRDY pin.[set] + * + * @param lps22hh_ctx_t *ctx: read / write interface definitions + * @param uint8_t val: change the values of f_fss5 in reg CTRL_REG3 + * + */ +int32_t lps22hh_fifo_full_on_int_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_reg_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + reg.ctrl_reg3.int_f_full = val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + + return ret; +} + +/** + * @brief FIFO overrun interrupt on INT_DRDY pin.[set] + * + * @param lps22hh_ctx_t *ctx: read / write interface definitions + * @param uint8_t val: change the values of f_ovr in reg CTRL_REG3 + * + */ +int32_t lps22hh_fifo_ovr_on_int_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_reg_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + reg.ctrl_reg3.int_f_ovr = val; + ret = lps22hh_write_reg(ctx, LPS22HH_CTRL_REG3, &(reg.byte), 1); + + return ret; +} + +/** + * @brief Fifo Mode selection.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of f_mode in reg FIFO_CTRL + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ + +int32_t lps22hh_fifo_mode_set(lps22hh_ctx_t *ctx, lps22hh_f_mode_t val) +{ + lps22hh_fifo_ctrl_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_CTRL, (uint8_t*) ®, 1); + if (ret == 0) { + reg.f_mode = (uint8_t)val; + ret = lps22hh_write_reg(ctx, LPS22HH_FIFO_CTRL, (uint8_t*) ®, 1); + } + return ret; +} + +/** + * @brief Fifo Mode selection.[get] + * + * @param ctx read / write interface definitions + * @param val Get the values of f_mode in reg FIFO_CTRL + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ + +int32_t lps22hh_fifo_mode_get(lps22hh_ctx_t *ctx, lps22hh_f_mode_t *val) +{ + lps22hh_fifo_ctrl_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_CTRL, (uint8_t*) ®, 1); + + switch (reg.f_mode) { + case LPS22HH_BYPASS_MODE: + *val = LPS22HH_BYPASS_MODE; + break; + case LPS22HH_FIFO_MODE: + *val = LPS22HH_FIFO_MODE; + break; + case LPS22HH_STREAM_MODE: + *val = LPS22HH_STREAM_MODE; + break; + case LPS22HH_DYNAMIC_STREAM_MODE: + *val = LPS22HH_DYNAMIC_STREAM_MODE; + break; + case LPS22HH_BYPASS_TO_FIFO_MODE: + *val = LPS22HH_BYPASS_TO_FIFO_MODE; + break; + case LPS22HH_BYPASS_TO_STREAM_MODE: + *val = LPS22HH_BYPASS_TO_STREAM_MODE; + break; + case LPS22HH_STREAM_TO_FIFO_MODE: + *val = LPS22HH_STREAM_TO_FIFO_MODE; + break; + default: + *val = LPS22HH_BYPASS_MODE; + break; + } + + return ret; +} + +/** + * @brief Sensing chain FIFO stop values memorization at + * threshold level.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of stop_on_wtm in reg FIFO_CTRL + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_stop_on_wtm_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_fifo_ctrl_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_CTRL, (uint8_t*) ®, 1); + if (ret == 0) { + reg.stop_on_wtm = val; + ret = lps22hh_write_reg(ctx, LPS22HH_FIFO_CTRL, (uint8_t*) ®, 1); + } + return ret; +} + +/** + * @brief FIFO watermark level selection.[set] + * + * @param ctx read / write interface definitions + * @param val change the values of wtm in reg FIFO_WTM + * @retval interface status (MANDATORY: return 0 -> no Error) + * + */ +int32_t lps22hh_fifo_watermark_set(lps22hh_ctx_t *ctx, uint8_t val) +{ + lps22hh_fifo_wtm_t reg; + int32_t ret; + + ret = lps22hh_read_reg(ctx, LPS22HH_FIFO_WTM, (uint8_t*) ®, 1); + if (ret == 0) { + reg.wtm = val; + ret = lps22hh_write_reg(ctx, LPS22HH_FIFO_WTM, (uint8_t*) ®, 1); + } + return ret; +} \ No newline at end of file